N2-O2-H2O is a model system for humid air.

H 2 O是空气-水体系的模型体系。

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N2 is the media for continuous drying in close system;

在封闭系统中以N2作为媒介持续干燥；

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N2 is the media for continuous drying in close system;

在封闭系统中以N2作为媒介持续干燥；

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